package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

@Slf4j
@RestControllerAdvice("com.atguigu.gulimall.product.controller")
public class GilimallExceptionControllerAdvice {
    @ExceptionHandler({MethodArgumentNotValidException.class})
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{},异常类型：{}", e.getMessage(), e.getClass());
        BindingResult result = e.getBindingResult();
        HashMap<String, String> map = new HashMap<>();
        result.getFieldErrors().forEach((item) -> {
            String message = item.getDefaultMessage();
            String field = item.getField();
            map.put(field, message);
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", map);
    }

    @ExceptionHandler(Throwable.class)
    public R handleException(Exception e) {
        log.error("系统未知异常：",e);
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
}
